How To Fix TU429 - Meter reading unit &1 is still used in installations

TU429 - Overview

• Message type: E = Error

• Message class: TU - Billing/Scheduling/Budget Billing

• Message number: 429

• Message text: Meter reading unit &1 is still used in installations

Self-Explanatory Message

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TU429 - Details

• The SAP error message TU429 indicates that a meter reading unit (MRU) is still being used in installations, which prevents you from deleting or modifying that unit. This typically occurs in the context of SAP IS-U (Industry Solution for Utilities) when you attempt to delete a meter reading unit that is still associated with one or more installations.
  
  Cause:
  The error arises because the meter reading unit you are trying to delete is still linked to active installations or meter reading points. This linkage means that the system cannot remove the unit without first addressing its associations.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Identify the Installations: 
  
  Use transaction codes such as EL31 (for installations) or EL30 (for meter reading points) to find out which installations are still using the meter reading unit in question.
  You can also use reports or queries to list all installations associated with the specific meter reading unit.
  
  
  
  Remove